Examples with ODataResponse org.apache.olingo.odata2.api.processor.ODataResponse used on opensource projects

Example 1 with ODataResponse

use of org.apache.olingo.odata2.api.processor.ODataResponse in project camel by apache.

the class Olingo2AppImpl method parseBatchRequest.

private ODataResponse parseBatchRequest(final Edm edm, final List<Olingo2BatchRequest> batchParts) throws IOException, EntityProviderException, ODataApplicationException, EdmException, URISyntaxException {
    // create Batch request from parts
    final ArrayList<BatchPart> parts = new ArrayList<BatchPart>();
    final ArrayList<BatchChangeSetPart> changeSetParts = new ArrayList<BatchChangeSetPart>();
    final Map<String, String> contentIdMap = new HashMap<String, String>();
    for (Olingo2BatchRequest batchPart : batchParts) {
        if (batchPart instanceof Olingo2BatchQueryRequest) {
            // need to add change set parts collected so far??
            if (!changeSetParts.isEmpty()) {
                addChangeSetParts(parts, changeSetParts);
                changeSetParts.clear();
                contentIdMap.clear();
            }
            // add to request parts
            final UriInfoWithType uriInfo = parseUri(edm, batchPart.getResourcePath(), null);
            parts.add(createBatchQueryPart(uriInfo, (Olingo2BatchQueryRequest) batchPart));
        } else {
            // add to change set parts
            final BatchChangeSetPart changeSetPart = createBatchChangeSetPart(edm, contentIdMap, (Olingo2BatchChangeRequest) batchPart);
            changeSetParts.add(changeSetPart);
        }
    }
    // add any remaining change set parts
    if (!changeSetParts.isEmpty()) {
        addChangeSetParts(parts, changeSetParts);
    }
    final String boundary = BOUNDARY_PREFIX + UUID.randomUUID();
    InputStream batchRequest = EntityProvider.writeBatchRequest(parts, boundary);
    // two blank lines are already added. No need to add extra blank lines
    final String contentHeader = BATCH_CONTENT_TYPE + BOUNDARY_PARAMETER + boundary;
    return ODataResponse.entity(batchRequest).contentHeader(contentHeader).build();
}

Example 2 with ODataResponse

use of org.apache.olingo.odata2.api.processor.ODataResponse in project camel by apache.

the class Olingo2AppImpl method writeContent.

private <T> void writeContent(final Edm edm, HttpEntityEnclosingRequestBase httpEntityRequest, final UriInfoWithType uriInfo, final Object content, final Olingo2ResponseHandler<T> responseHandler) {
    try {
        // process resource by UriType
        final ODataResponse response = writeContent(edm, uriInfo, content);
        // copy all response headers
        for (String header : response.getHeaderNames()) {
            httpEntityRequest.setHeader(header, response.getHeader(header));
        }
        // get (http) entity which is for default Olingo2 implementation an InputStream
        if (response.getEntity() instanceof InputStream) {
            httpEntityRequest.setEntity(new InputStreamEntity((InputStream) response.getEntity()));
        /*
                // avoid sending it without a header field set
                if (!httpEntityRequest.containsHeader(HttpHeaders.CONTENT_TYPE)) {
                    httpEntityRequest.addHeader(HttpHeaders.CONTENT_TYPE, getContentType());
                }
*/
        }
        // execute HTTP request
        final Header requestContentTypeHeader = httpEntityRequest.getFirstHeader(HttpHeaders.CONTENT_TYPE);
        final ContentType requestContentType = requestContentTypeHeader != null ? ContentType.parse(requestContentTypeHeader.getValue()) : contentType;
        execute(httpEntityRequest, requestContentType, new AbstractFutureCallback<T>(responseHandler) {

            @SuppressWarnings("unchecked")
            @Override
            public void onCompleted(HttpResponse result) throws IOException, EntityProviderException, BatchException, ODataApplicationException {
                // if a entity is created (via POST request) the response body contains the new created entity
                HttpStatusCodes statusCode = HttpStatusCodes.fromStatusCode(result.getStatusLine().getStatusCode());
                // look for no content, or no response body!!!
                final boolean noEntity = result.getEntity() == null || result.getEntity().getContentLength() == 0;
                if (statusCode == HttpStatusCodes.NO_CONTENT || noEntity) {
                    responseHandler.onResponse((T) HttpStatusCodes.fromStatusCode(result.getStatusLine().getStatusCode()));
                } else {
                    switch(uriInfo.getUriType()) {
                        case URI9:
                            // $batch
                            final List<BatchSingleResponse> singleResponses = EntityProvider.parseBatchResponse(result.getEntity().getContent(), result.getFirstHeader(HttpHeaders.CONTENT_TYPE).getValue());
                            // parse batch response bodies
                            final List<Olingo2BatchResponse> responses = new ArrayList<Olingo2BatchResponse>();
                            Map<String, String> contentIdLocationMap = new HashMap<String, String>();
                            final List<Olingo2BatchRequest> batchRequests = (List<Olingo2BatchRequest>) content;
                            final Iterator<Olingo2BatchRequest> iterator = batchRequests.iterator();
                            for (BatchSingleResponse response : singleResponses) {
                                final Olingo2BatchRequest request = iterator.next();
                                if (request instanceof Olingo2BatchChangeRequest && ((Olingo2BatchChangeRequest) request).getContentId() != null) {
                                    contentIdLocationMap.put("$" + ((Olingo2BatchChangeRequest) request).getContentId(), response.getHeader(HttpHeaders.LOCATION));
                                }
                                try {
                                    responses.add(parseResponse(edm, contentIdLocationMap, request, response));
                                } catch (Exception e) {
                                    // report any parsing errors as error response
                                    responses.add(new Olingo2BatchResponse(Integer.parseInt(response.getStatusCode()), response.getStatusInfo(), response.getContentId(), response.getHeaders(), new ODataApplicationException("Error parsing response for " + request + ": " + e.getMessage(), Locale.ENGLISH, e)));
                                }
                            }
                            responseHandler.onResponse((T) responses);
                            break;
                        case URI4:
                        case URI5:
                            // simple property
                            // get the response content as Object for $value or Map<String, Object> otherwise
                            final List<EdmProperty> simplePropertyPath = uriInfo.getPropertyPath();
                            final EdmProperty simpleProperty = simplePropertyPath.get(simplePropertyPath.size() - 1);
                            if (uriInfo.isValue()) {
                                responseHandler.onResponse((T) EntityProvider.readPropertyValue(simpleProperty, result.getEntity().getContent()));
                            } else {
                                responseHandler.onResponse((T) EntityProvider.readProperty(getContentType(), simpleProperty, result.getEntity().getContent(), EntityProviderReadProperties.init().build()));
                            }
                            break;
                        case URI3:
                            // complex property
                            // get the response content as Map<String, Object>
                            final List<EdmProperty> complexPropertyPath = uriInfo.getPropertyPath();
                            final EdmProperty complexProperty = complexPropertyPath.get(complexPropertyPath.size() - 1);
                            responseHandler.onResponse((T) EntityProvider.readProperty(getContentType(), complexProperty, result.getEntity().getContent(), EntityProviderReadProperties.init().build()));
                            break;
                        case URI7A:
                            // $links with 0..1 cardinality property
                            // get the response content as String
                            final EdmEntitySet targetLinkEntitySet = uriInfo.getTargetEntitySet();
                            responseHandler.onResponse((T) EntityProvider.readLink(getContentType(), targetLinkEntitySet, result.getEntity().getContent()));
                            break;
                        case URI7B:
                            // $links with * cardinality property
                            // get the response content as java.util.List<String>
                            final EdmEntitySet targetLinksEntitySet = uriInfo.getTargetEntitySet();
                            responseHandler.onResponse((T) EntityProvider.readLinks(getContentType(), targetLinksEntitySet, result.getEntity().getContent()));
                            break;
                        case URI1:
                        case URI2:
                        case URI6A:
                        case URI6B:
                            // Entity
                            // get the response content as an ODataEntry object
                            responseHandler.onResponse((T) EntityProvider.readEntry(response.getContentHeader(), uriInfo.getTargetEntitySet(), result.getEntity().getContent(), EntityProviderReadProperties.init().build()));
                            break;
                        default:
                            throw new ODataApplicationException("Unsupported resource type " + uriInfo.getTargetType(), Locale.ENGLISH);
                    }
                }
            }
        });
    } catch (ODataException e) {
        responseHandler.onException(e);
    } catch (URISyntaxException e) {
        responseHandler.onException(e);
    } catch (UnsupportedEncodingException e) {
        responseHandler.onException(e);
    } catch (IOException e) {
        responseHandler.onException(e);
    }
}

Example 3 with ODataResponse

use of org.apache.olingo.odata2.api.processor.ODataResponse in project camel by apache.

the class Olingo2AppImpl method createBatchChangeSetPart.

private BatchChangeSetPart createBatchChangeSetPart(Edm edm, Map<String, String> contentIdMap, Olingo2BatchChangeRequest batchRequest) throws EdmException, URISyntaxException, EntityProviderException, IOException, ODataApplicationException {
    // build body string
    String resourcePath = batchRequest.getResourcePath();
    // is it a referenced entity?
    if (resourcePath.startsWith("$")) {
        resourcePath = replaceContentId(edm, resourcePath, contentIdMap);
    }
    final UriInfoWithType uriInfo = parseUri(edm, resourcePath, null);
    // serialize data into ODataResponse object, if set in request and this is not a DELETE request
    final Map<String, String> headers = new HashMap<String, String>();
    byte[] body = null;
    if (batchRequest.getBody() != null && !Operation.DELETE.equals(batchRequest.getOperation())) {
        final ODataResponse response = writeContent(edm, uriInfo, batchRequest.getBody());
        // copy response headers
        for (String header : response.getHeaderNames()) {
            headers.put(header, response.getHeader(header));
        }
        // get (http) entity which is for default Olingo2 implementation an InputStream
        body = response.getEntity() instanceof InputStream ? EntityProvider.readBinary((InputStream) response.getEntity()) : null;
        if (body != null) {
            headers.put(HttpHeaders.CONTENT_LENGTH, String.valueOf(body.length));
        }
    }
    // Olingo is sensitive to batch part charset case!!
    headers.put(HttpHeaders.ACCEPT, getResourceContentType(uriInfo).toString().toLowerCase());
    if (!headers.containsKey(HttpHeaders.CONTENT_TYPE)) {
        headers.put(HttpHeaders.CONTENT_TYPE, getContentType());
    }
    // add request headers
    headers.putAll(batchRequest.getHeaders());
    final String contentId = batchRequest.getContentId();
    if (contentId != null) {
        contentIdMap.put("$" + contentId, resourcePath);
    }
    return BatchChangeSetPart.uri(createBatchUri(batchRequest)).method(batchRequest.getOperation().getHttpMethod()).contentId(contentId).headers(headers).body(body == null ? null : new String(body, Consts.UTF_8)).build();
}

Example 4 with ODataResponse

use of org.apache.olingo.odata2.api.processor.ODataResponse in project camel by apache.

the class Olingo2AppImpl method writeContent.

private ODataResponse writeContent(Edm edm, UriInfoWithType uriInfo, Object content) throws ODataApplicationException, EdmException, EntityProviderException, URISyntaxException, IOException {
    String responseContentType = getContentType();
    ODataResponse response;
    switch(uriInfo.getUriType()) {
        case URI4:
        case URI5:
            // simple property
            final List<EdmProperty> simplePropertyPath = uriInfo.getPropertyPath();
            final EdmProperty simpleProperty = simplePropertyPath.get(simplePropertyPath.size() - 1);
            responseContentType = simpleProperty.getMimeType();
            if (uriInfo.isValue()) {
                response = EntityProvider.writePropertyValue(simpleProperty, content);
                responseContentType = TEXT_PLAIN_WITH_CS_UTF_8.toString();
            } else {
                response = EntityProvider.writeProperty(getContentType(), simpleProperty, content);
            }
            break;
        case URI3:
            // complex property
            final List<EdmProperty> complexPropertyPath = uriInfo.getPropertyPath();
            final EdmProperty complexProperty = complexPropertyPath.get(complexPropertyPath.size() - 1);
            response = EntityProvider.writeProperty(responseContentType, complexProperty, content);
            break;
        case URI7A:
            // $links with 0..1 cardinality property
            final EdmEntitySet targetLinkEntitySet = uriInfo.getTargetEntitySet();
            EntityProviderWriteProperties linkProperties = EntityProviderWriteProperties.serviceRoot(new URI(serviceUri + SEPARATOR)).build();
            @SuppressWarnings("unchecked") final Map<String, Object> linkMap = (Map<String, Object>) content;
            response = EntityProvider.writeLink(responseContentType, targetLinkEntitySet, linkMap, linkProperties);
            break;
        case URI7B:
            // $links with * cardinality property
            final EdmEntitySet targetLinksEntitySet = uriInfo.getTargetEntitySet();
            EntityProviderWriteProperties linksProperties = EntityProviderWriteProperties.serviceRoot(new URI(serviceUri + SEPARATOR)).build();
            @SuppressWarnings("unchecked") final List<Map<String, Object>> linksMap = (List<Map<String, Object>>) content;
            response = EntityProvider.writeLinks(responseContentType, targetLinksEntitySet, linksMap, linksProperties);
            break;
        case URI1:
        case URI2:
        case URI6A:
        case URI6B:
            // Entity
            final EdmEntitySet targetEntitySet = uriInfo.getTargetEntitySet();
            EntityProviderWriteProperties properties = EntityProviderWriteProperties.serviceRoot(new URI(serviceUri + SEPARATOR)).build();
            @SuppressWarnings("unchecked") final Map<String, Object> objectMap = (Map<String, Object>) content;
            response = EntityProvider.writeEntry(responseContentType, targetEntitySet, objectMap, properties);
            break;
        case URI9:
            // $batch
            @SuppressWarnings("unchecked") final List<Olingo2BatchRequest> batchParts = (List<Olingo2BatchRequest>) content;
            response = parseBatchRequest(edm, batchParts);
            break;
        default:
            // notify exception and return!!!
            throw new ODataApplicationException("Unsupported resource type " + uriInfo.getTargetType(), Locale.ENGLISH);
    }
    return response.getContentHeader() != null ? response : ODataResponse.fromResponse(response).contentHeader(responseContentType).build();
}